Large Capacity One-way/Two-way Roof Vent

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Material: aluminum

 

Shape: straight

 

diameter of base: 13"

 

base opening: 8-1/2"

 

height: 7-3/4"

 

Type: one-way/two-way

 

advantage: heavy-duty

 

OEM: acceptable

 

*CNC spinning machine max diameter of raw material: 1650mm(65")

 

**CNC spinning machine max thickness of raw material(carbon steel): 6mm(0.236")

 

***CNC spinning machine max height of raw material(carbon steel): 700mm(27")